fab ‧ ri ‧ cate /ˈfæbrɪkeɪt/ BrE AmE verb [transitive]
1 . to invent a story, piece of information etc in order to deceive someone:
The police were accused of fabricating evidence.
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Fabricate is used mainly in writing, for example in journalism and legal contexts. In everyday English, people usually say make something up :
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They accused him of making the whole thing up.
2 . technical to make or produce goods or equipment SYN manufacture :
The discs are expensive to fabricate.